3Com V7122 Installation Manual

Also see for VCX V7122: Product guide Installation guide User manual User guide User guide guide

3Com V7122 Installation Manual Manual pdf 18 page image

Table 5 E1/T1 Connections on each 50-pin Telco ConnectorE1/T1 Number1 to 8 9 to 16Tx Pins (Tip/Ring) Rx Pins (Tip/Ring)1 9 27/2 26/12 10 29/4 28/33 11 31/6 30/54 12 33/8 32/75 13 35/10 34/96 14 37/12 36/117 15 39/14 38/138 16 41/16 40/15To connect E1/T1 trunk using RJ-48c connectors, follow these 2 steps:1 Connect the E1/T1 trunk cables to the ports labeled Trunks 1 to 8 (in the case of the 8-trunk device) on the V7122 RTM.2 Connect the other ends of the Trunk cables to the PBX/PSTN switch.RJ-48c trunk connectors are wired according to Figure 7.Figure 7 Pinout of RJ-48c Trunk Connectors1 2 3 4 5 6 7 8 3, 6, 7, 8not connectedbody = shield1 = Rx Ring2 = Rx Tip4 = Tx Ring5 = Tx TipRJ-48c Connector and PinoutInstalling the Ethernet ConnectionConnect a standard Category 5 network cable to the Ethernet RJ-45 port (and the other asoptional redundancy/backup). Connect the other end of the Category 5 network cables toyour IP network. The Ethernet connectors (labeled Ethernet 1 and Ethernet 2) are wiredaccording to Figure 8.When you assign an IP address to the V7122 gateway using HTTP (under Step 1 in SectionAssigning an IP Address Using HTTP), you may be required to disconnect this cable and re-cable it differently.18 V7122 Digital Gateway Installation Guide